Ransomware Research

Oled Ransomware

Oled is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Oled
First Seen
May 1, 2017

How Oled Ransomware Works

File Encryption Patterns

Oled modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..oled

Ransom Note and Payment Demands

After encrypting files, Oled displays ransom notes demanding payment for file recovery:

fileDECRYPTION.txt

Ransom message:

notes/DECRYPTION.txt

Note locations:

EveryFolder
fileREADME.txt

Ransom message:

notes/README.txt

Note locations:

EveryFolder

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About This Analysis

This Oled ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Oled.

Last updated: July 30, 2025

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